In the Rescorla-Wagner model, the more surprising the unconditional stimulus is, the greater the need for an organism to it using a conditioned stimulus.

paul revere would be your answer : )

u.s. presidents buried at arlington national cemetery include john f. kennedy and william howard taft. the kennedy gravesite is the final resting place not only of the former president, but also his wife jackie kennedy, his two brothers robert and edward kennedy, as well as a memorial to his brother joe jr.good luck

explanation:

answer; the federal reserve system;